Install-ContainerOSImage : The term 'Install-ContainerOSImage' is not recognized as the name of a cmdlet, function,
script file, or operable program. Check the spelling of the name, or if a path was included, verify that the path is correct and try again.

While running the commands from the new article, getting different error message.

docker load -i nanoserver.tar.gz
58684737b3d1: Loading layer [==================================================>] 358.4 MB/358.4 MB
re-exec error: exit status 1: output: ProcessBaseLayer C:\ProgramData\docker\windowsfilter\dc41572502daedc9c628b56d1f369
ee804e901159b053d5e082e31e339ae822d: A required certificate is not within its validity period when verifying against the
current system clock or the timestamp in the signed file.

My system time is correct and i am running Windows 2016 server on AWS.